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These companies include: Weiand (intake manifolds and superchargers), B&M's supercharger division, Hooker Headers, Earl's Performance Plumbing, Flow Tech exhaust, Lunati (camshafts, crankshafts, pistons and connecting rods), NOS (Nitrous Oxide Systems, Inc), and So-Cal Speed Shop, as well as a few ancillary companies.
Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intervening carburetor or throttle body leading to the intake manifold. It is a ...
This is a list of particular manifolds, by Wikipedia page. ... For more examples see 4-manifold. Special types of manifolds. Manifolds related to spheres
Plumbing two 1-disk bundles to get a new 2-manifold. In the mathematical field of geometric topology, among the techniques known as surgery theory, the process of plumbing is a way to create new manifolds out of disk bundles.
The home page of the English Wikipedia (in 2023) is displayed in a web browser. The small house-shaped button in the upper left is for the browser's start page. A home page (or homepage) is the main web page of a website. [1] Usually, the home page is located at the root of the website's domain or subdomain.
There are two usual ways to give a classification: explicitly, by an enumeration, or implicitly, in terms of invariants. For instance, for orientable surfaces, the classification of surfaces enumerates them as the connected sum of tori, and an invariant that classifies them is the genus or Euler characteristic.
Another, more topological example of an intrinsic property of a manifold is the Euler characteristic. For a non-intersecting graph in the Euclidean plane , with V vertices (or corners), E edges and F faces (counting the exterior) Euler showed that V - E + F = 2.
For example, if is a Riemannian manifold we saw above that it is natural to consider the orthonormal frame bundle of . The orthonormal frame bundle is just a reduction of the structure group of F G L ( M ) {\displaystyle F_{\mathrm {GL} }(M)} to the orthogonal group O ( n ) {\displaystyle \mathrm {O} (n)} .